The form of the English adjective shifted to perplexed by late 15c., probably to conform to other past participle adjectives. The verb is latest attested of the group, in 1590s, evidently a back-formation from the adjective. Related: Perplexing, which well describes the history of the word.

Example Sentences forperplex

He was a poet without knowing it, and his gifts only served to perplex him further.

If I have my private doubts, why should I set them up to perplex the community withal?

It was not so difficult as to perplex them, and yet it required attention and care.

The idea of his teacher's trying to perplex and embarrass him, was entirely new.

"I don't want to perplex you, but I have done something," said Nick, getting up.

That did not perplex Heidi though, for she saw two glasses standing behind.

Some of the girls asked foolish questions just to perplex her.

This poverty in nature must perplex the Mesopotamian artist.

The boat began to move, and the motion seemed to perplex some of the oarsmen.

The least religion is enough to perplex him, and the best will not satisfy him.